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Journal of Oral Implantology

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https://www.readbyqxmd.com/read/27897464/classification-and-effects-of-implant-surface-modification-on-the-bone-human-cell-based-in-vitro-studies
#1
Miriam Ting, Steven R Jefferies, Wei Xia, Hã Â Kan Engqvist, Jon B Suzuki
Implant surfaces are continuously being improved to achieve faster osseointegration and a stronger bone to implant interface. This review will present the various implant surfaces, the parameters for implant surface characterization, and the corresponding in-vitro human cell-based studies determining the strength and quality of the bone-implant contact. These in-vitro cell-based studies are the basis for animal and clinical studies, and is the prelude to further reviews on how these surfaces would perform when subjected to the oral environment and functional loading...
November 29, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27897461/stability-development-of-immediately-loaded-hybrid-self-tapping-implants-inserted-in-the-posterior-maxilla-1-year-results-of-a-randomized-controlled-trial
#2
Vladimir S Todorovic, Miroslav Vasovic, Mia-Michaela Beetge, Andre W van Zyl, Vladimir Kokovic
The objective of the present study was to elucidate stability development of immediately loaded hybrid self-tapping implants inserted in the posterior maxilla. Forty-eight hybrid self-tapping implants with a chemically modified surface (∅4.1; length 8 mm) were inserted bilateral in the maxillary 1st and 2nd premolar and 1st molar sites of eight patients. In each patient, both sides of maxilla were randomly assigned to either immediate (IL) or early (EL) loading group. Implant stability was evaluated by means of resonance frequency analysis immediately after implant placement and after 1, 2, 3, 4, 5, 6, 12, 26 and 52 weeks...
November 29, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27897460/current-evidence-on-the-socket-shield-technique-a-systematic-review
#3
Amit Srikant Gharpure, Neel B Bhatavadekar
The recently popularised socket shield technique involves intentional retention of a thin buccal section of the remnant root at the time of immediate implant placement to preserve the buccal crestal bone from resorption. The objective of this systematic review was to assess the literature available on the socket-shield technique and weigh its biological plausibility and long-term clinical prognosis. A Systematic Search was performed in PubMed-Medline, Embase, Web of Knowledge, Google Scholar and Cochrane Central for clinical/ animal studies up to May 2016 without restrictions of language, duration, and follow-up...
November 29, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27870923/covering-the-implant-prosthesis-screw-access-hole-a-biological-approach-to-material-selection-and-technique
#4
Todd Schoenbaum, Chandur Wadhwani, Richard Stevenson
The traditional material for covering the implant abutment screw is cotton. As the implant-abutment junction flexes and wears overtime, leakage from the oral environment penetrates into the screw access chamber where the cotton pellet is located. The cotton serves as a scaffolding for the proliferation of anaerobic bacteria in the warm, oxygen free environment. The bacterial exudate causes foul odors and may cause additional inflammation of the peri-implant tissues. The use of PTFE tape or PVS impression material serves the same role as the cotton pellet, but forms a better seal and limits bacterial growth inside the implant and abutment...
November 21, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27870921/microthreaded-implants-and-crestal-bone-loss-a-systematic-review
#5
Ahmad Al-Thobity, Ahmad Kutkut, Khalid Almas
This systematic literature review investigated the effect of microthreaded-neck dental implants on crestal bone loss. Using the participants, interventions, comparison groups, outcomes, and study design (PICOS) system, we addressed the following focused question: Do microthreaded-neck dental implants positively affect the crestal bone level around dental implants? We searched 3 electronic databases to find articles published between January 1995 and June 2016 that contained any combination of the following keywords: dental implant, microthread, microthreaded, crestal bone level, crestal bone loss, and alveolar bone level...
November 21, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27779895/immediate-prosthetic-loading-of-implants-placed-in-reconstructed-jaws-after-hyperbaric-oxygen-therapy
#6
Maiolino Oliveira, Darceny Zanetta-Barbosa, Livia Bonjardim Lima, Luis Raposo, Luiz Gonà Alves, Paulo Simamoto-Jã Nior
The informations for conyributors of the journal says that clinical case letters, such as our article, do not have an abstract.
October 25, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27759505/cone-beam-computer-tomography-analysis-of-the-posterior-and-anterior-mandibular-lingual-concavity-for-dental-implant-patients
#7
Thomas Young Ho Yoon, Richard A Michaud, Mitesh Patel, Alexandra M Manibo
OBJECTIVE: This study was conducted to evaluate variations in and the prevalence of the lingual concavity. MATERIALS & METHODS: This study used images taken between January 1st, 2011 and August 31st, 2015 from a total of 104 patient charts randomly selected from a private practice. These images were all acquired from a single cone beam computed tomography (CBCT) machine. The CBCT's were reviewed in cross sectional images of both the left and right anterior incisor and posterior molar regions...
October 19, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27759503/peri-implant-mucositis-and-peri-implantitis-current-understanding-of-their-diagnosis-clinical-implications-and-a-report-of-treatment-using-a-combined-therapy-approach
#8
Pier Paolo Poli, Marco CicciÃ, Mario Beretta, Carlo Maiorana
The clinical condition involving dental implants, characterized by soft tissue inflammation, bleeding, suppuration and rapid bone loss is widely known as peri implantitis. The main objective in the treatment of peri-implantis is to arrest the progression of the disease and at the same time to keep the dental implant in the mouth solving the inflammations signs of bleeding and pain. The aim of this paper is to highlight the effectiveness of the use of titanium brush and antimicrobial photodynamic therapy (aPDT) to decontaminate the implant surface, in association with regenerative procedures by means of autologous bone and demineralized bovine bone mineral (DBBM) in the treatment of peri-implantitis defects...
October 19, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27753539/volumetric-stability-of-fresh-frozen-bone-blocks-in-atrophic-posterior-mandible-augmentation
#9
Erick Silva, Emanuela Prado Ferraz, Evandro Carneiro Martins Neto, Liat Chaushu, Gavriel Chaushu, Samuel Porfirio Xavier
The aim of this prospective controlled study present study is to evaluate volumetric changes of newly created bone following reconstruction of the atrophic posterior mandible using FFB. Twenty consecutive patients presenting for reconstruction of posterior mandibular alveolar bone ridge width ≤ 6.0 mm and/or height≤ 6.0 who met all inclusion and exlusion criteria were included. FFB blocks were used. The main outcome variable investigated was bone volume dynamics. Vertical, horizontal and three-dimensional bone gain data was measured from computerized tomography scans...
October 18, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27700696/enterococcus-faecalis-and-dental-implants
#10
Dennis Flanagan
E. faecalis appears in many tooth root infections and is not eliminated by root canal therapy. It can reside in tooth root canals and the surrounding bone. This species may vegetate in bone after extraction of an infected tooth and colonize a dental implant after placement in the healed site. A colonization may cause fixture loss or marginal bone loss. These colonizations are generally multi-bacterial and pathogenic properties can be shared via plasmids. However, E. faecalis is not detectable with some culture techniques and thus can be missed...
October 4, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27700623/evaluation-of-the-alteration-of-occlusal-distribution-in-unilateral-free-end-and-intermediate-missing-cases
#11
Kazuhiro Kon, Makoto Shiota, Aoi Sakuyama, Maho Ozeki, Wataru Kozuma, Sawako Kawakami, Shohei Kasugai
The present study aimed to evaluate the effect of implant prostheses on the occlusal force and area, and the distribution of occlusal loading in unilateral free-end and intermediate missing cases. Fourteen healthy subjects (7 free-end missing cases in the first and second molars and 7 intermediate missing cases in the first molar region) were included. Six months after the implant prosthesis was placed, an occlusal evaluation was performed with or without the implant superstructure by using Dental Prescale® film and an occluder device...
October 4, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27700557/medication-related-osteonecrosis-of-the-jaw-and-dental-implants-failures-a-systematic-review
#12
Riccardo Guazzo, Luca Sbricoli, Sara Ricci, Eriberto Bressan, Adriano Piattelli, Flavia Iaculli
No well-established evidences supporting the safe use of Bisphosphonates (BPs) or others antiresorptive agents prior, during or after dento-alveolar surgery, are currently available; moreover, the real risk of osteonecrosis of the jaw (ONJ) development is still unknown. The aim of the present systematic review was to assess the scientific literature concerning the implants placement in antiresorptive agents-users and the related risk of implants failure and ONJ development. English papers published from January 2003 until December 2014 were identified on Medline database...
October 4, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27700231/frequency-of-prosthetic-complications-related-to-implant-borne-prosthesis-in-a-sleep-disorder-unit
#13
Eduardo Anitua, Juan Saracho, Gabriela Zamora Almeida, Joquin Duran-Cantolla, Mohammad Alkhraisat
Sleep bruxism and higher clench index have been associated with obstructive sleep apnea (OSA). However, there is no study that reports on the prosthetic complications in patients with OSA. Patients' records, who had performed a sleep study to diagnose OSA, were examined for the occurrence of prosthetic complications in implant-borne reconstructions. The primary outcome was the frequency of prosthetic complications. The secondary outcomes were anthropometric data, the type of the complication, type of the prosthesis, type of retention, number of supporting implants, number of prosthetic units, and the presence of obstructive sleep apnea...
October 4, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27669106/fixed-implant-supported-full-arch-prosthesis-in-epidermolysis-bullosa-with-severe-symptoms
#14
Marcello Guzman Letelier, Claudia Crisosto Jara, Sonia Peà Arrocha-Oltra, Sonia Gomar-Vercher, Miguel Peà Arrocha
Epidermolysis bullosa (EB) is a rare disease affecting the skin and mucus membranes, which is characterized by the formation of blisters in response to minimum trauma. The use of endosseous implants for fixed prosthetic restoration in patients with Recessive Dystrophic Epidermolysis Bullosa (RDEB) provides considerably better results than conventional methods using removable dentures. The objective of this clinical case is to describe the restoration of the full arch of an atrophic maxilla using endosseous implants and an implant-supported fixed prosthetic in a patient diagnosed with RDEB and exhibiting severe general and oral symptoms; and to evaluate improvements in the quality of life of the patient...
September 26, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27696998/the-truth-about-flossing
#15
James L Rutkowski
No abstract text is available yet for this article.
October 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27598305/management-of-a-fractured-implant-abutment-screw
#16
Dennis Flanagan
A fractured abutment screw of a crown supported by an endosseous implant is a complication. The fragment in the fixture can be retrieved with a festooned #557 latch burr set in reverse torque and subsequent clockwise turning #33 1/3 burr touched to the fragment side. The cemented abutment and crown can be salvaged by heating the crown/coronal screw fragment to 1000 degrees C for 20 minutes. Upon cooling, the crown and abutment can be then separated. A new abutment screw can then be used. The patient's diet, occlusal scheme and maximal bite force should be assessed...
September 6, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27589397/importance-of-the-surface-roughness-and-residual-stress-of-dental-implants-on-fatigue-and-osseointegration-behavior-in-rabbits
#17
Eugenio Velasco, Loreto Monsalve-Guil, Alvaro Jimenez, Ivà N Ortiz, Jesà S Moreno-Muà Oz, Enrique Nuà Ez-Marquez, Marta Pegueroles, Roman A Perez, Francisco Javier Gil
This study focuses on the fatigue behavior and bone-implant attachment for the more usual surfaces of the different cp-titanium dental implants. The implants studied were: as-received (CTR), acid etching (AE), spark-anodization (SA) and with a grit-blasted surface (GB). Residual stresses were determined by means of X-ray diffraction. The fatigue tests were carried out at 37°C on 160 dental implants and the S-N curve was determined. The fatigue tests show that the grit-blasting process improves the fatigue life...
September 2, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27580065/fracture-resistance-of-implant-abutments-following-abutment-alterations-by-milling-the-margins-an-in-vitro-study
#18
Anuya Patankar, Mohit Kheur, Supriya Kheur, Tabrez Lakha, Murtuza Burhanpurwala
The aim of this in vitro study is to evaluate the effect of different levels of preparation of an implant abutment on its fracture resistance. The study evaluated abutments which incorporated a platform switch (Myriad plus abutments, Equinox Medical technology, Amersfoort, NL) and Standard abutments (BioHorizons Standard abutment, BioHorizons Inc, Alabama, USA). Each abutment was connected to an appropriate implant and was mounted in a self-cured resin base. Based on the abutment preparation depths, 3 groups were created for each abutment type - As manufactured; Abutment prepared to 1 mm apical to the original margin, and Abutment prepared 1...
August 31, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27560166/bioactivity-and-osseointegration-of-peek-are-inferior-to-those-of-titanium-a-systematic-review
#19
Shariq Najeeb, Zohaib Khurshid, Sana Zohaib, Mohammad Sohail Zafar
Polyetheretherketone (PEEK) has been suggested as an alternative to replace titanium as a dental implant material. However, bioactivity and osseointegration of PEEK are debatable. Aim of this review is to systematically analyze studies that have compared PEEK or PEEK-based implants with titanium implants so that its feasibility as a possible replacement for titanium can be determined. The focused question was: 'Are the bioactivity and osseointegration of PEEK implants comparable to or better than titanium implants?'...
August 25, 2016: Journal of Oral Implantology
https://www.readbyqxmd.com/read/27541691/effect-of-heavy-smoking-on-dental-implants-placed-in-male-patients-posterior-mandibles-a-prospective-clinical-study
#20
Cong Sun, Jinxiu Zhao, Jianghao Chen, Hong Tao
The objective of this study was to evaluate the bone healing and peri-implant tissue response in heavy smokers receiving dental implants due to partially edentulous posterior mandibles. Forty-five ITI Straumann dental implants were placed into the partially edentulous posterior mandibles of 16 heavy smokers and 16 non-smokers. One implant in each patient was evaluated for implant stability after surgery and before loading, and for the modified plaque index (mPLI), modified sulcus bleeding index (mSBI), probing depth (PD), and marginal bone loss (MBL) after loading...
August 19, 2016: Journal of Oral Implantology
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